Cardiograph



FIG. 1 is a perspective view of a cardiograph, showing our new designwith the display screen in lowered position;

FIG. 2 is a perspective view thereof, with the display screen in raisedposition;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear elevational view thereof.

The ornamental design for a cardiograph, as shown.